EP3194055B1 - Filtration module and method for producing same - Google Patents

Filtration module and method for producing same Download PDF

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Publication number
EP3194055B1
EP3194055B1 EP15774879.9A EP15774879A EP3194055B1 EP 3194055 B1 EP3194055 B1 EP 3194055B1 EP 15774879 A EP15774879 A EP 15774879A EP 3194055 B1 EP3194055 B1 EP 3194055B1
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EP
European Patent Office
Prior art keywords
plate
filtration module
module according
plates
base
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Application number
EP15774879.9A
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German (de)
French (fr)
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EP3194055A1 (en
Inventor
Thomas Krumbein
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Sartorius Stedim Biotech GmbH
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Sartorius Stedim Biotech GmbH
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Publication of EP3194055A1 publication Critical patent/EP3194055A1/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D25/00—Filters formed by clamping together several filtering elements or parts of such elements
    • B01D25/22—Cell-type filters
    • B01D25/26—Cell-type stack filters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D63/00—Apparatus in general for separation processes using semi-permeable membranes
    • B01D63/08—Flat membrane modules
    • B01D63/082—Flat membrane modules comprising a stack of flat membranes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D25/00—Filters formed by clamping together several filtering elements or parts of such elements
    • B01D25/001—Making filtering elements not provided for elsewhere
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/14—Ultrafiltration; Microfiltration
    • B01D61/147—Microfiltration
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D63/00—Apparatus in general for separation processes using semi-permeable membranes
    • B01D63/08—Flat membrane modules
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D63/00—Apparatus in general for separation processes using semi-permeable membranes
    • B01D63/08—Flat membrane modules
    • B01D63/082—Flat membrane modules comprising a stack of flat membranes
    • B01D63/0822—Plate-and-frame devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D63/00—Apparatus in general for separation processes using semi-permeable membranes
    • B01D63/08—Flat membrane modules
    • B01D63/082—Flat membrane modules comprising a stack of flat membranes
    • B01D63/084—Flat membrane modules comprising a stack of flat membranes at least one flow duct intersecting the membranes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/02—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor characterised by their properties
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B5/00—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them
    • F16B5/06—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of clamps or clips
    • F16B5/0607—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of clamps or clips joining sheets or plates to each other
    • F16B5/0621—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of clamps or clips joining sheets or plates to each other in parallel relationship
    • F16B5/0635—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of clamps or clips joining sheets or plates to each other in parallel relationship fastened over the edges of the sheets or plates
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B5/00—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them
    • F16B5/06—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of clamps or clips
    • F16B5/0607—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of clamps or clips joining sheets or plates to each other
    • F16B5/0621—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of clamps or clips joining sheets or plates to each other in parallel relationship
    • F16B5/0642—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of clamps or clips joining sheets or plates to each other in parallel relationship the plates being arranged one on top of the other and in full close contact with each other
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2313/00—Details relating to membrane modules or apparatus
    • B01D2313/02—Specific tightening or locking mechanisms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2325/00—Details relating to properties of membranes
    • B01D2325/12—Adsorbents being present on the surface of the membranes or in the pores
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D63/00—Apparatus in general for separation processes using semi-permeable membranes
    • B01D63/08—Flat membrane modules
    • B01D63/081—Manufacturing thereof

Definitions

  • the invention relates to a filtration module with a filter unit, wherein between a first plate and a second plate at least one filter element is arranged, which contains at least one layer of filter material, wherein the layers arranged between the plates are sealed at the peripheral periphery by an edge seal, and wherein the plates are pressed against each other by pressing means.
  • the invention further relates to a method for producing a filtration module according to one of claims 1 to 14.
  • the filtration module has a filter unit in which membrane adsorbers are arranged between tissue layers between a first plate and a second plate.
  • the layers each have an edge seal on their peripheral periphery.
  • a disadvantage of the known device which has proven itself in principle, is that the two plates are pressed against each other over a plurality of a kind of laterally mountable screw clamps as pressing means. This is relatively expensive and can lead to an uneven pressure distribution on the circumference.
  • the filtration module comprises two plates which have latching connections at their mutually facing abutment surfaces, in which latching hooks of the first plate can engage in corresponding locking receptacles of the second plate.
  • the disadvantage here is that it is relatively difficult to produce a secure locking on the one hand and the necessary contact pressure on the other.
  • a plurality of locking connections is required to achieve a uniform contact pressure.
  • the pressing means is formed as a resilient Umklamm ceremoniessprofil which engages around the plates at their opposite side surfaces and in that the Umklamm ceremoniessprofil has a bottom which is transverse to the longitudinal direction Plates is curved inward and is bounded in the longitudinal direction by lateral brackets which are bent inwards at their free ends and the side facing away from the bottom surface of the floor facing away from the first plate with their bent ends.
  • the contact pressure on the geometry and spring force of the material can be predetermined and ensured.
  • the device has fewer parts and is faster, easier and cheaper to produce.
  • the filter element additionally contains as a first layer of a feed material and as a last layer a Abströmmaterial.
  • the inflow or outflow material may in particular be a woven, nonwoven, knitted fabric, mesh, grid, perforated plate or the like.
  • the filter element with its arranged between the plates layers on a common peripheral peripheral edge seal. This simplifies the assembly considerably.
  • the at least one layer of filter material is a surface or depth filter having adsorption or microfiltration properties.
  • a surface filter for example, membranes and as a depth filter, a fiber material can be used.
  • filter materials with adsorber properties and in principle also ultrafilters can be used.
  • the filter element facing surfaces of the plates flow paths.
  • the flow paths can in particular fulfill the function of input and / or discharge material or inlet and / or outflow fabric.
  • the lateral brackets are curved transversely to the longitudinal direction of the plates to the outside.
  • the bent free ends of the brackets are bent backwards, with their end faces press against the surface facing away from the bottom surface of the first plate facing away from the ground.
  • the two vaults can have the same vertex.
  • the bottom plate of the Umklamm ceremoniessprofiles facing away from the first plate on its surface facing away from the bottom parallel to their longitudinally extending side surfaces each have a raised locking rail, which are engaged behind each of the free ends of the lateral brackets.
  • the locking rails have laterally sloping concave outer side surfaces towards the side surfaces.
  • the first plate is formed as a Anströmplatte and the second plate as a Abströmplatte.
  • the filter unit is preferably designed for cross-flow or dead-end filtration.
  • the filter unit and / or the clasp profile are preferably made of plastic
  • the inventive design of the device and the process for their preparation is considerably simplified, so that the device in a few steps and with fewer parts can be made easier, faster, cheaper and still safe.
  • a filtration module 1 consists essentially of a filter unit 2 and a clasp profile 3.
  • the filter unit 2 has a first plate 4 and a second plate 5. Between the two plates 4, 5, a filter element 6 is arranged.
  • the filter element 6 is designed as a multi-layer filter module which has a first layer of filter material 9 between a layer of inflow web 7 and a layer of outflow web 8.
  • a second layer of filter material 10 is arranged between the layer outflow web 8 and a further layer of Anströmgewebe 7.
  • the layers of the filter material 9, 10 each have a sealing frame 11 for the outflow fabric 8 arranged between them.
  • the layers 7, 8, 9, 10 forming the filter element 6 have a common peripheral peripheral edge seal 12.
  • the edge seal 12 is formed of an elastomer which is molded on the outside.
  • the Umklamm ceremoniessprofil 3 has a bottom 13 which is curved transversely to the longitudinal direction 14 of the plates 4, 5 to a radius of curvature 15 inwardly and which is bounded in the longitudinal direction 14 by lateral brackets 16, 17, bent at their free 18, 19 inside are, and with their bent ends 18, 19 the side facing away from the bottom surface 20 of the bottom plate 13 facing away from the first plate 4 laterally clasp.
  • the bent free ends 18, 19 of the brackets 16, 17 are bent backwards, with their end faces pressed against the surface 20 of the first plate 4.
  • the lateral brackets 16, 17 are transverse to the longitudinal direction 14 of the plates 4, 5 to the outside, i. directed away from the side surfaces 21, 22 of the first plate 4 and the side surfaces 23, 24 of the second plate 5, curved.
  • the second plate 4 has at its bottom 13 facing the bottom 13 transverse to the longitudinal direction 14 inwardly, i. to its bottom 25 facing away from the upper side 26 towards a bulge 27, whose radius of curvature 28 is greater than the curvature radius 15 of the bottom thirteenth
  • the first plate 4 has on its surface 20 parallel to its longitudinal direction 14 extending side surfaces 21, 22 each have a raised locking rail 29, 30.
  • the locking rails 29, 30 of the free ends 18, 19 of the brackets 16, 17 are engaged behind.
  • the locking rails 29, 30 have laterally to the side surfaces 21, 22 towards obliquely sloping concave outer side surfaces 31, 32.
  • the free ends 18, 19 of the lateral brackets 16, 17 are supported in a partially latched position (see FIG. 2 ).
  • the first plate 4 is formed as a Anströmplatte and the second plate 5 as a Abströmplatte.
  • the first plate 4 has the known from the cross-flow range and usual connections 33 for feed, retentate and permeate (twice).
  • the filter element 6 is placed between the first plate 4 and the second plate 5.
  • the openings 34 of the filter element 6 are congruent with the terminals 33 of the first plate 4.
  • the filter unit 2 formed thereby is inserted into the clasp profile 3 far enough that the free ends 18, 19 of the brackets 16, 17 on the outer side surfaces 31, 32nd the locking rails 29, 30 rest in a partial detent position.
  • the lateral curved brackets 16, 17 are pressed together until the open ends of the clasp profile 3 engage over the locking rails 29, 30 and lock in the end position.
  • the arched brackets 16, 17 are moved inwardly and their free ends 18, 19 upwards. Both movements cause an increase in the radius of curvature in the region of the bottom 13 and the radii of the curvature in the region of the brackets 16, 17.
  • the resulting tension pulls the first plate 4 against the second plate 5 and pressed the filter element 6 between the plates 4, 5.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Filtering Materials (AREA)

Description

Gebiet der ErfindungField of the invention

Die Erfindung betrifft ein Filtrationsmodul mit einer Filtereinheit, bei der zwischen einer ersten Platte und einer zweiten Platte mindestens ein Filterelement angeordnet ist, welches mindestens eine Lage Filtermaterialenthält, wobei die zwischen den Platten angeordneten Lagen jeweils am peripheren Umfang durch eine Randabdichtung abgedichtet sind, und wobei die Platten durch Anpressmittel gegeneinander gepresst sind.The invention relates to a filtration module with a filter unit, wherein between a first plate and a second plate at least one filter element is arranged, which contains at least one layer of filter material, wherein the layers arranged between the plates are sealed at the peripheral periphery by an edge seal, and wherein the plates are pressed against each other by pressing means.

Die Erfindung betrifft weiterhin ein Verfahren zur Herstellung eines Filtrationsmoduls nach einem der Ansprüche 1 bis 14.The invention further relates to a method for producing a filtration module according to one of claims 1 to 14.

Stand der TechnikState of the art

Aus der DE 44 32 628 A1 ist ein Filtrationsmodul und ein Verfahren zu seiner Herstellung bekannt. Das Filtrationsmodul weist eine Filtereinheit auf, bei der zwischen einer ersten Platte und einer zweiten Platte zwischen Gewebeschichten Membranadsorber angeordnet sind. Die Schichten weisen jeweils an ihrem peripheren Umfang eine Randabdichtung auf.From the DE 44 32 628 A1 For example, a filtration module and a method for its production is known. The filtration module has a filter unit in which membrane adsorbers are arranged between tissue layers between a first plate and a second plate. The layers each have an edge seal on their peripheral periphery.

Nachteilig bei der bekannten Vorrichtung, die sich grundsätzlich bewährt hat, ist, dass die beiden Platten über eine Mehrzahl einer Art von seitlich anordenbaren Schraubzwingen als Anpressmittel gegen einander gepresst werden. Dies ist relativ aufwendig und kann zu einer ungleichen Druckverteilung am Umfang führen.A disadvantage of the known device, which has proven itself in principle, is that the two plates are pressed against each other over a plurality of a kind of laterally mountable screw clamps as pressing means. This is relatively expensive and can lead to an uneven pressure distribution on the circumference.

Aus der US 2008/0257813 A1 ist ein ist ein Filtrationsmodul und ein Verfahren zu seiner Herstellung bekannt, bei dem das Filtrationsmodul zwei Platten aufweist, die an ihren einander zugewandten Anlageflächen Rastverbindungen aufweisen, bei denen Rasthaken der ersten Platte in entsprechenden Rastaufnahmen der zweiten Platte verrasten können.From the US 2008/0257813 A1 is a is a filtration module and a method for its production is known in which the filtration module comprises two plates which have latching connections at their mutually facing abutment surfaces, in which latching hooks of the first plate can engage in corresponding locking receptacles of the second plate.

Nachteilig dabei ist, dass es relativ schwierig ist, eine sichere Verrastung einerseits und den notwendigen Anpressdruck andererseits zu erzeugen. Zudem wird eine Mehrzahl von Rastverbindungen benötigt um einen gleichmäßigen Anpressdruck zu erzielen.The disadvantage here is that it is relatively difficult to produce a secure locking on the one hand and the necessary contact pressure on the other. In addition, a plurality of locking connections is required to achieve a uniform contact pressure.

Aufgabenstellungtask

Es ist die Aufgabe der vorliegenden Erfindung, die bekannten Vorrichtungen und Verfahren so zu verbessern, dass sie mit weniger Teilen einfacher aufgebaut sind und kostengünstiger und schneller aber trotzdem sicher hergestellt werden können.It is the object of the present invention to improve the known devices and methods so that they are simpler with fewer parts and cheaper and faster but still can be made safely.

Darlegung der ErfindungPresentation of the invention

Die Aufgabe bezüglich der Vorrichtung wird in Verbindung mit den Merkmalen des Oberbegriffs von Anspruch 1 dadurch gelöst, dass das Anpressmittel als ein federndes Umklammerungsprofil ausgebildet ist, das die Platten an ihren gegenüberliegenden Seitenflächen umgreift und dass das Umklammerungsprofil einen Boden aufweist, der quer zur Längsrichtung der Platten nach innen gewölbt ist und der in Längsrichtung durch seitliche Klammern begrenzt ist, die an ihren freien Enden nach innen abgebogen sind und die mit ihren abgebogenen Enden die dem Boden abgewandte Oberfläche der dem Boden abgewandten ersten Platte seitlich umklammern.The object with respect to the device is achieved in conjunction with the features of the preamble of claim 1, characterized in that the pressing means is formed as a resilient Umklammerungsprofil which engages around the plates at their opposite side surfaces and in that the Umklammerungsprofil has a bottom which is transverse to the longitudinal direction Plates is curved inward and is bounded in the longitudinal direction by lateral brackets which are bent inwards at their free ends and the side facing away from the bottom surface of the floor facing away from the first plate with their bent ends.

Durch die Ausbildung des Anpressmittels als federndes Umklammerungsprofil kann die Anpresskraft über die Geometrie und Federkraft des Materials vorbestimmt und sichergestellt werden. Dadurch, dass die Platten an ihren gegenüberliegenden Seitenflächen über deren gesamte Länge umgriffen werden, erfolgt zudem eine gleichmäßige Verteilung der Anpresskraft und eine sichere Verbindung mit nur einem Anpressmittel. Durch die gewölbte Anordnung des Bodens des Umklammerungsprofils und die seitlich angeordneten Klammern, deren freie Enden nach innen gebogen sind und sich an der Oberfläche der ersten Platte abstützen, wird eine Vorspannung erzielt, die den notwendigen Anpressdruck dauerhaft unterstützt. Die Vorrichtung weist weniger Teile auf und ist schneller, einfacher und kostengünstiger herstellbar.Due to the design of the contact pressure as a resilient Umklammerungsprofil the contact pressure on the geometry and spring force of the material can be predetermined and ensured. The fact that the plates are encompassed on their opposite side surfaces over the entire length, there is also a uniform distribution of the contact pressure and a secure connection with only one contact pressure. Due to the curved arrangement of the bottom of the clasp profile and the laterally arranged brackets, the free ends of which are bent inwards and supported on the surface of the first plate, a bias is achieved, the necessary contact pressure permanently supported. The device has fewer parts and is faster, easier and cheaper to produce.

Bevorzugte Ausführungsformen sind Gegenstand der abhängigen Ansprüche.Preferred embodiments are subject of the dependent claims.

Gemäß einer bevorzugten Ausführungsform der Erfindung enthält das Filterelement zusätzlich als erste Lage ein Anströmmaterial und als letzte Lage ein Abströmmaterial. Das Anström- oder Abströmmaterial kann insbesondere ein Gewebe, Vlies, Gewirk, Netz, Gitter, Lochplatte oder ähnliches sein.According to a preferred embodiment of the invention, the filter element additionally contains as a first layer of a feed material and as a last layer a Abströmmaterial. The inflow or outflow material may in particular be a woven, nonwoven, knitted fabric, mesh, grid, perforated plate or the like.

Gemäß einer weiteren bevorzugten Ausführungsform der Erfindung weist das Filterelement mit seinen zwischen den Platten angeordneten Lagen eine gemeinsame periphere umlaufende Randabdichtung auf. Dies vereinfacht die Montage erheblich.According to a further preferred embodiment of the invention, the filter element with its arranged between the plates layers on a common peripheral peripheral edge seal. This simplifies the assembly considerably.

Nach einer bevorzugten Ausführungsform der Erfindung ist die mindestens eine Lage Filtermaterial ein Oberflächen- oder Tiefenfilter, der Adsorptions- oder Mikrofiltrationseigenschaften aufweist. Als Oberflächenfilter können beispielsweise Membranen und als Tiefenfilter kann ein Fasermaterial eingesetzt werden. Weiter können Filtermaterialien mit Adsorbereigenschaften und grundsätzlich auch Ultrafilter eingesetzt werden.According to a preferred embodiment of the invention, the at least one layer of filter material is a surface or depth filter having adsorption or microfiltration properties. As a surface filter, for example, membranes and as a depth filter, a fiber material can be used. Furthermore, filter materials with adsorber properties and in principle also ultrafilters can be used.

Nach einer weiteren bevorzugten Ausführungsform der Erfindung weisen die dem Filterelement zugewandten Flächen der Platten Strömungspfade auf. Die Strömungspfade können insbesondere die Funktion von An-und/oder Abströmmaterial oder An-und/oder Abströmgewebe erfüllen.According to a further preferred embodiment of the invention, the filter element facing surfaces of the plates flow paths. The flow paths can in particular fulfill the function of input and / or discharge material or inlet and / or outflow fabric.

Nach einer weiteren bevorzugten Ausführungsform der Erfindung sind die seitlichen Klammern quer zur Längsrichtung der Platten nach außen gewölbt.According to a further preferred embodiment of the invention, the lateral brackets are curved transversely to the longitudinal direction of the plates to the outside.

Durch die Wölbung der seitlichen Klammern wird durch eine gewisse Streckung beim Umgreifen oder Umklammern der Platten eine weitere Vorspannung zur Unterstützung des Anpressdrucks erzeugt.By the curvature of the lateral brackets is generated by a certain extension when grasping or clasping the plates another bias to support the contact pressure.

Gemäß einer bevorzugten Ausführungsform der Erfindung sind die abgebogenen freien Enden der Klammern rückwärtsgerichtet abgebogen, wobei ihre Stirnflächen gegen die dem Boden abgewandte Oberfläche der dem Boden abgewandten ersten Platte pressen.According to a preferred embodiment of the invention, the bent free ends of the brackets are bent backwards, with their end faces press against the surface facing away from the bottom surface of the first plate facing away from the ground.

Durch die rückwärts gerichtet abgebogenen freien Enden der Klammern und die Kraftübertragung orthogonal zu den Platten wird durch die Stirnflächen der freien Enden der Klammern jeweils eine definierte Krafteinleitungslinie sichergestellt.By the backward directed bent free ends of the brackets and the power transmission orthogonal to the plates is ensured by the faces of the free ends of the brackets each have a defined force introduction line.

Gemäß einer weiteren bevorzugten Ausführungsform der Erfindung weist die dem Boden des Umklammerungsprofiles zugewandte zweite Platte an ihrer dem Boden zugewandten Unterseite quer zur Längsrichtung nach innen zu ihrer der Unterseite abgewandten Oberseite hin eine Wölbung auf, deren Wölbungsradius größer ist als der Wölbungsradius des Bodens des Umklammerungsprofiles. Dabei können die beiden Wölbungen den gleichen Scheitelpunkt haben.According to a further preferred embodiment of the invention, the bottom plate of the Umklammerungsprofiles facing second plate on its bottom facing bottom transversely to the longitudinal direction inwards to its underside facing away from the top side of a curvature whose radius of curvature is greater than the curvature radius of the bottom of Umklammerungsprofiles. The two vaults can have the same vertex.

Nach weiteren bevorzugten Ausführungsform der Erfindung weist die dem Boden des Umklammerungsprofiles abgewandte erste Platte an ihrer dem Boden abgewandten Oberfläche parallel zu ihren in Längsrichtung verlaufenden Seitenflächen jeweils eine erhabene Rastschiene auf, die jeweils von den freien Enden der seitlichen Klammern hintergriffen sind.According to another preferred embodiment of the invention, the bottom plate of the Umklammerungsprofiles facing away from the first plate on its surface facing away from the bottom parallel to their longitudinally extending side surfaces each have a raised locking rail, which are engaged behind each of the free ends of the lateral brackets.

Durch die Rastschienen, die mit den freien Enden der seitlichen Klammern verrasten, wird ein unbeabsichtigtes Entrasten zuverlässig vermieden.By locking rails, which engage with the free ends of the lateral brackets, unintentional unlocking is reliably avoided.

Nach einer weiteren bevorzugten Ausführungsform der Erfindung weisen die Rastschienen seitlich zu den Seitenflächen hin schräg abfallende konkave äußere Seitenflächen auf.According to a further preferred embodiment of the invention, the locking rails have laterally sloping concave outer side surfaces towards the side surfaces.

Durch die schräg abfallenden äußeren Seitenflächen wird die Verrastung bei der Montage erleichtert.Due to the sloping outer side surfaces locking is facilitated during assembly.

Gemäß einer weiteren bevorzugten Ausführungsform der Erfindung ist die erste Platte als eine Anströmplatte und die zweite Platte als eine Abströmplatte ausgebildet. Die Filtereinheit ist bevorzugt für Crossflow- oder Dead-end-Filtrationen ausgebildet.According to another preferred embodiment of the invention, the first plate is formed as a Anströmplatte and the second plate as a Abströmplatte. The filter unit is preferably designed for cross-flow or dead-end filtration.

Die Filtereinheit und/oder das Umklammerungsprofil sind bevorzugt aus Kunststoff ausgebildetThe filter unit and / or the clasp profile are preferably made of plastic

Die Aufgabe bezüglich des Verfahrens wird in Verbindung mit dem Oberbegriff des Anspruches 10 dadurch gelöst, dass die folgenden Schritte durchgeführt werden:

  1. a) Auflegen der zwischen den Platten anzuordnenden Lagen, die am peripheren Umfang durch eine gemeinsame Randabdichtung abgedichtet sind, auf die der ersten Platte zugewandte Oberfläche der zweiten Platte,
  2. b) Aufsetzen der ersten Platte mit ihrer der zweiten Platte zugewandten Unterseite auf die ihr zugewandte Fläche der gemeinsamen Randabdichtung der Lagen, und
  3. c) Eindrücken der Filtereinheit in das federnde Umklammerungsprofil bis die Platten an ihren gegenüberliegenden Seitenflächen umgriffen werden.
The object relating to the method is solved in connection with the preamble of claim 10 by carrying out the following steps:
  1. a) placing the layers to be arranged between the plates, which are sealed at the peripheral periphery by a common edge seal, on the first plate facing surface of the second plate,
  2. b) placing the first plate with its underside facing the second plate on the surface facing the common edge seal of the layers, and
  3. c) pressing the filter unit in the resilient Umklammerungsprofil until the plates are encompassed on their opposite side surfaces.

Durch die erfindungsgemäße Ausbildung der Vorrichtung wird auch das Verfahren zu ihrer Herstellung erheblich vereinfacht, so dass die Vorrichtung in wenigen Schritten und mit weniger Teilen einfacher, schneller, kostengünstiger und trotzdem sicher hergestellt werden kann.The inventive design of the device and the process for their preparation is considerably simplified, so that the device in a few steps and with fewer parts can be made easier, faster, cheaper and still safe.

Weitere Merkmale und Vorteile der Erfindung ergeben sich aus der nachfolgenden speziellen Beschreibung und den Zeichnungen.Further features and advantages of the invention will become apparent from the following specific description and the drawings.

Kurzbeschreibung der ZeichnungenBrief description of the drawings

Es zeigen:

Figur 1:
eine räumliche Darstellung eines Filtrationsmoduls in einer endverrasteten Stellung;
Figur 2:
eine räumliche Darstellung des Filtrationsmoduls von Figur 1 in einer teilverrasteten Stellung;
Figur 3:
eine Explosionsdarstellung des Filtrationsmoduls von Figur 1;
Figur 4:
eine räumliche Darstellung der Filterelemente von Figur 1 als Explosionsdarstellung;
Figur 5:
eine Seitenansicht der Filterelemente von Figur 1 im Schnitt;
Figur 6:
eine vergrößerte Darstellung im Ausriss der Einzelheit VI von Figur 5; und
Figur 7:
eine Seitenansicht des Filtrationsmoduls von Figur 1 aus Richtung VII.
Show it:
FIG. 1:
a spatial representation of a filtration module in an endverrasteten position;
FIG. 2:
a spatial representation of the filtration module of FIG. 1 in a partially locked position;
FIG. 3:
an exploded view of the filtration module of FIG. 1 ;
FIG. 4:
a spatial representation of the filter elements of FIG. 1 as an exploded view;
FIG. 5:
a side view of the filter elements of FIG. 1 on average;
FIG. 6:
an enlarged view in the elevation of detail VI of FIG. 5 ; and
FIG. 7:
a side view of the filtration module of FIG. 1 from direction VII.

Beschreibung bevorzugter AusführungsformenDescription of preferred embodiments

Ein Filtrationsmodul 1 besteht im Wesentlichen aus einer Filtereinheit 2 und einem Umklammerungsprofil 3. Dabei weist die Filtereinheit 2 eine erste Platte 4 und eine zweite Platte 5 auf. Zwischen den beiden Platten 4, 5 ist eine Filterelement 6 angeordnet. Das Filterelement 6 ist als ein mehrschichtiges Filtermodul ausgebildet, das zwischen einer Lage Anströmgewebe 7 und einer Lage Abströmgewebe 8 eine erste Lage Filtermaterial 9 aufweist. In den Ausführungsbeispielen ist zwischen der Lage Abströmgewebe 8 und einer weiteren Lage Anströmgewebe 7 eine zweite Lage Filtermaterial 10 angeordnet. Die Lagen des Filtermaterials 9, 10 weisen zur zwischen ihnen angeordneten Lage Abströmgewebe 8 hin jeweils einen Dichtrahmen 11 auf. Die das Filterelement 6 bildenden Lagen 7, 8, 9, 10 weisen eine gemeinsame periphere umlaufende Randabdichtung 12 auf. Die Randabdichtung 12 ist aus einem Elastomer ausgebildet, das außen angegossen ist.A filtration module 1 consists essentially of a filter unit 2 and a clasp profile 3. In this case, the filter unit 2 has a first plate 4 and a second plate 5. Between the two plates 4, 5, a filter element 6 is arranged. The filter element 6 is designed as a multi-layer filter module which has a first layer of filter material 9 between a layer of inflow web 7 and a layer of outflow web 8. In the exemplary embodiments, a second layer of filter material 10 is arranged between the layer outflow web 8 and a further layer of Anströmgewebe 7. The layers of the filter material 9, 10 each have a sealing frame 11 for the outflow fabric 8 arranged between them. The layers 7, 8, 9, 10 forming the filter element 6 have a common peripheral peripheral edge seal 12. The edge seal 12 is formed of an elastomer which is molded on the outside.

Das Umklammerungsprofil 3 weist einen Boden 13 auf, der quer zur Längsrichtung 14 der Platten 4, 5 um einen Wölbungsradius 15 nach innen gewölbt ist und der in Längsrichtung 14 durch seitliche Klammern 16, 17 begrenzt ist, die an ihren freien 18, 19 innen abgebogen sind, und die mit ihren abgebogenen Enden 18, 19 die dem Boden 13 abgewandte Oberfläche 20 der dem Boden 13 abgewandten ersten Platte 4 seitlich umklammern. Dabei sind die abgebogenen freien Enden 18, 19 der Klammern 16, 17 rückwärtsgerichtet abgebogen, wobei ihre Stirnflächen gegen die Oberfläche 20 der ersten Platte 4 gepresst sind.The Umklammerungsprofil 3 has a bottom 13 which is curved transversely to the longitudinal direction 14 of the plates 4, 5 to a radius of curvature 15 inwardly and which is bounded in the longitudinal direction 14 by lateral brackets 16, 17, bent at their free 18, 19 inside are, and with their bent ends 18, 19 the side facing away from the bottom surface 20 of the bottom plate 13 facing away from the first plate 4 laterally clasp. The bent free ends 18, 19 of the brackets 16, 17 are bent backwards, with their end faces pressed against the surface 20 of the first plate 4.

Die seitlichen Klammern 16, 17 sind quer zur Längsrichtung 14 der Platten 4, 5 nach außen, d.h. von den Seitenflächen 21, 22 der ersten Platte 4 und den Seitenflächen 23, 24 der zweiten Platte 5 weggerichtet, gewölbt. Die zweite Platte 4 weist an ihrer dem Boden 13 zugewandten Unterseite 25 quer zur Längsrichtung 14 nach innen, d.h. zu ihrer der Unterseite 25 abgewandten Oberseite 26 hin eine Wölbung 27 auf, deren Wölbungsradius 28 größer ist als der Wölbungsradius 15 des Bodens 13.The lateral brackets 16, 17 are transverse to the longitudinal direction 14 of the plates 4, 5 to the outside, i. directed away from the side surfaces 21, 22 of the first plate 4 and the side surfaces 23, 24 of the second plate 5, curved. The second plate 4 has at its bottom 13 facing the bottom 13 transverse to the longitudinal direction 14 inwardly, i. to its bottom 25 facing away from the upper side 26 towards a bulge 27, whose radius of curvature 28 is greater than the curvature radius 15 of the bottom thirteenth

Die erste Platte 4 weist an ihrer Oberfläche 20 parallel zu ihren in Längsrichtung 14 verlaufenden Seitenflächen 21, 22 jeweils eine erhabene Rastschiene 29, 30 auf. In einem voll verrasteten Zustand werden die Rastschienen 29, 30 von den freien Enden 18, 19 der Klammern 16, 17 hintergriffen. Die Rastschienen 29, 30 weisen seitlich zu den Seitenflächen 21, 22 hin schräg abfallende konkave äußere Seitenflächen 31, 32 auf. Auf die äußeren Seitenflächen 31, 32 stützen sich die freien Enden 18, 19 der seitlichen Klammern 16, 17 in einer teilverrasteten Stellung ab (siehe Figur 2).The first plate 4 has on its surface 20 parallel to its longitudinal direction 14 extending side surfaces 21, 22 each have a raised locking rail 29, 30. In a fully latched state, the locking rails 29, 30 of the free ends 18, 19 of the brackets 16, 17 are engaged behind. The locking rails 29, 30 have laterally to the side surfaces 21, 22 towards obliquely sloping concave outer side surfaces 31, 32. On the outer side surfaces 31, 32, the free ends 18, 19 of the lateral brackets 16, 17 are supported in a partially latched position (see FIG. 2 ).

Gemäß den Ausführungsbeispielen ist die erste Platte 4 als eine Anströmplatte und die zweite Platte 5 als eine Abströmplatte ausgebildet. Die erste Platte 4 besitzt die aus dem Cross-Flow-Bereich bekannten und üblichen Anschlüsse 33 für Feed, Retentat und Permeat (zweimal).According to the embodiments, the first plate 4 is formed as a Anströmplatte and the second plate 5 as a Abströmplatte. The first plate 4 has the known from the cross-flow range and usual connections 33 for feed, retentate and permeate (twice).

Zur Herstellung des Filtrationsmoduls 1 wird zwischen der ersten Platte 4 und der zweiten Platte 5 das Filterelement 6 gelegt. Die Öffnungen 34 des Filterelements 6 sind dabei deckungsgleich mit den Anschlüssen 33 der ersten Platte 4. Die dadurch gebildete Filtereinheit 2 wird in das Umklammerungsprofil 3 soweit eingelegt, dass die freien Enden 18, 19 der Klammern 16, 17 auf den äußeren Seitenflächen 31, 32 der Rastschienen 29, 30 in einer Teilraststellung aufliegen.To produce the filtration module 1, the filter element 6 is placed between the first plate 4 and the second plate 5. The openings 34 of the filter element 6 are congruent with the terminals 33 of the first plate 4. The filter unit 2 formed thereby is inserted into the clasp profile 3 far enough that the free ends 18, 19 of the brackets 16, 17 on the outer side surfaces 31, 32nd the locking rails 29, 30 rest in a partial detent position.

Nachfolgend werden die seitlichen gewölbten Klammern 16, 17 zusammengepresst, bis die offenen Enden des Umklammerungsprofil 3 über die Rastschienen 29, 30 greifen und in der Endstellung verrasten. Durch diesen Vorgang werden die gewölbten Klammern 16, 17 nach innen und ihre freien Enden 18, 19 nach oben bewegt. Beide Bewegungen bewirken eine Vergrößerung des Radius der Wölbung im Bereich des Bodens 13 und der Radien der Wölbung im Bereich der Klammern 16, 17. Die daraus entstehende Spannung zieht die erste Platte 4 gegen die zweite Platte 5 und verpresst das Filterelement 6 zwischen den Platten 4, 5. Durch das Verpressen wird das Filterelement 6 gegenüber den Platten 4, 5 so abgedichtet, dass keine Flüssigkeit nach außen entweichen kann und im inneren der Filtereinheit 2 die Kanäle für Filtrat und Unfiltrat gegeneinander abgedichtet werden.Subsequently, the lateral curved brackets 16, 17 are pressed together until the open ends of the clasp profile 3 engage over the locking rails 29, 30 and lock in the end position. By this operation, the arched brackets 16, 17 are moved inwardly and their free ends 18, 19 upwards. Both movements cause an increase in the radius of curvature in the region of the bottom 13 and the radii of the curvature in the region of the brackets 16, 17. The resulting tension pulls the first plate 4 against the second plate 5 and pressed the filter element 6 between the plates 4, 5. By pressing the filter element 6 relative to the plates 4, 5 sealed so that no liquid can escape to the outside and inside the filter unit 2, the channels for filtrate and unfiltered are sealed against each other.

Natürlich stellen die in der speziellen Beschreibung diskutierten und in den Figuren gezeigten Ausführungsformen nur illustrative Ausführungsbeispiele der vorliegenden Erfindung dar. Dem Fachmann ist im Lichte der hiesigen Offenbarung ein breites Spektrum von Variationsmöglichkeiten an die Hand gegeben.Of course, the embodiments discussed in the specific description and shown in the figures represent only illustrative embodiments of the present invention. A broad range of possible variations will be apparent to those skilled in the art in light of the disclosure herein.

BezugszeichenlisteLIST OF REFERENCE NUMBERS

11
Filtermodulfilter module
22
Filtereinheitfilter unit
33
UmklammerungsprofilUmklammerungsprofil
44
erste Platte von 2first plate of 2
55
zweite Platte von 2second plate of 2
66
Filterelement von 2Filter element of 2
77
Lage Anströmgewebe von 6Location inflowing fabric of 6
88th
Lage Abströmgewebe von 6Outflow fabric of 6
99
erste Lage Filtermaterial von 6first layer filter material of 6
1010
zweite Lage Filtermaterial von 6second layer of filter material of 6
1111
Dichtrahmensealing frame
1212
Randabdichtungedge seal
1313
Boden von 3Bottom of 3
1414
Längsrichtung von 1Longitudinal direction of 1
1515
Wölbungsradius von 13Camber radius of 13
1616
erste Klammer von 3first clip of 3
1717
zweite Klammer von 3second bracket of 3
1818
freies Ende von 16free end of 16
1919
freies Ende von 17free end of 17
2020
Oberfläche von 4Surface of 4
2121
Seitenfläche von 4Side surface of 4
2222
Seitenfläche von 4Side surface of 4
2323
Seitenfläche von 5Side surface of 5
2424
Seitenfläche von 5Side surface of 5
2525
Unterseite von 5Bottom of 5
2626
Oberfläche von 5Surface of 5
2727
Wölbung von 5Vault of 5
2828
Wölbungsradius von 27Camber radius of 27
2929
Rastschiene von 20Locking rail of 20
3030
Rastschiene von 20Locking rail of 20
3131
äußere Seitenfläche von 29outer side surface of 29
3232
äußere Seitenfläche von 30outer side surface of 30
3333
Anschlussconnection
3434
Öffnung von 6Opening of 6

Claims (14)

  1. A filtration module (1) with a filter unit (2) in which, between a first plate (4) and a second plate (5), at least one filter element (6) is arranged which contains at least one layer of filter material (9, 10), wherein the layers (9, 10) arranged between the plates (4, 5) are each sealed off at the periphery by an edge seal (12), and wherein the plates (4, 5) are pressed against each other by pressing means,
    characterized in that
    the pressing means is designed as a resilient bracketing profile (3) which engages around the plates (4, 5) at their mutually opposite side surfaces (21, 22, 23, 24), and that the bracketing profile (3) has a base (13) which curves inward transversely with respect to the longitudinal direction (14) of the plates (4, 5) and which is delimited in the longitudinal direction (14) by lateral brackets (16, 17) which are bent inward at their free ends (18, 19) and which, with their bent ends, engage laterally around the surface (20), facing away from the base (13), of the first plate (4) facing away from the base (13).
  2. The filtration module (1) according to Claim 1,
    characterized in that
    the filter element (6) additionally contains an inflow material (7) as a first layer and an outflow material (8) as a final layer.
  3. The filtration module according to Claim 1 or 2,
    characterized in that
    the filter element (6) with its layers (7, 8, 9, 10) arranged between the plates (4, 5) has a common peripheral edge seal (12).
  4. The filtration module according to any of Claims 1 to 3,
    characterized in that
    the at least one layer of filter material (9, 10) is a surface or depth filter with adsorption or microfiltration properties.
  5. The filtration module according to any of Claims 1 to 4,
    characterized in that
    the surfaces (25) of the plates (4, 5) facing toward the filter element (6) have flow paths.
  6. The filtration module according to any of Claims 1 to 5,
    characterized in that
    the bent free ends (18, 19) of the brackets (16, 17) are bent backwards and that their end faces press against the surface (20), facing away from the base (13), of the first plate (4) facing away from the base (13).
  7. The filtration module according to any of Claims 1 to 6,
    characterized in that
    the lateral brackets (16, 17) are curved outwards transversely to the longitudinal direction (14) of the plates (4, 5).
  8. The filtration module according to any of Claims 1 to 7,
    characterized in that
    on its underside (25) facing toward the base (13), the second plate (5) facing toward the base (13) of the bracketing profile (3) has an inward curvature (27) transverse to the longitudinal direction (14) and oriented toward the upper side (26) facing away from the underside (25), the curvature radius (28) of which is larger than the curvature radius (15) of the base (13) of the bracketing profile (3).
  9. The filtration module according to any of Claims 1 to 8,
    characterized in that
    on its surface (20) facing away from the base (13), the first plate (4) facing away from the base (13) of the bracketing profile (3) has, parallel to each of its side surfaces (21, 22, 23, 24) extending in the longitudinal direction (14), a raised latching ridge (29, 30) which is engaged from behind by the free ends (18, 19) of the lateral brackets (16, 17).
  10. The filtration module according to Claim 9,
    characterized in that
    the latching ridges (29, 30) have concave outer side surfaces (31, 32) which slant laterally downward toward the side surfaces (21, 22, 23, 24).
  11. The filtration module according to any of Claims 1 to 10,
    characterized in that
    the first plate (4) is designed as an inflow plate and the second plate (5) is designed as an outflow plate.
  12. The filtration module according to any of Claims 1 to 11,
    characterized in that
    the filter unit (2) is designed for crossflow or dead-end filtration.
  13. The filtration module according to any of Claims 1 to 12,
    characterized in that
    the filter unit (2) and/or the bracketing profile (3) is made of plastic.
  14. A method for producing a filtration module according to any of Claims 1 to 13,
    characterized in that
    the following steps are carried out:
    a) the layers (7, 8, 9, 10), which are to be arranged between the plates (4, 5) and which are sealed off at the periphery by a common edge seal (12), are placed onto the surface (20) of the second plate (20), which surface faces toward the first plate (4),
    b) the first plate (4), with its underside (25) facing toward the second plate (5), is placed onto the surface, facing toward the first plate, of the common edge seal (12) of the layers (7, 8, 9, 10), and
    c) the filter unit (2) is pressed into the resilient bracketing profile (3) until the plates (4, 5) are engaged around their mutually opposite side surfaces (21, 22, 23, 24).
EP15774879.9A 2014-09-18 2015-09-17 Filtration module and method for producing same Active EP3194055B1 (en)

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DE102014113497.4A DE102014113497B4 (en) 2014-09-18 2014-09-18 Filtration module and method of manufacture
PCT/EP2015/071297 WO2016042062A1 (en) 2014-09-18 2015-09-17 Filtration module and method for producing same

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US (1) US10589194B2 (en)
EP (1) EP3194055B1 (en)
CN (1) CN106714945B (en)
DE (1) DE102014113497B4 (en)
WO (1) WO2016042062A1 (en)

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USD895059S1 (en) * 2017-09-27 2020-09-01 Sartorius Stedim Biotech Gmbh Filter cassette

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Also Published As

Publication number Publication date
US20170266590A1 (en) 2017-09-21
EP3194055A1 (en) 2017-07-26
CN106714945A (en) 2017-05-24
DE102014113497B4 (en) 2018-06-28
CN106714945B (en) 2019-06-18
US10589194B2 (en) 2020-03-17
WO2016042062A1 (en) 2016-03-24
DE102014113497A1 (en) 2016-03-24

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